Iwo Jima (volcanic island in Japan’s Ogasawara Islands chain)

Iwo Jima (A volcanic island located in the Satsunan Islands) / (historical, now uncommon) an island in the Ogasawara island chain

a fight, battle, or by extension, a war / a match, competition, contest, or race / any conflict or strife / (archaic) an army or military; troops

participation, commitment

to participate, to join, to enter

sulfur (element)

(rare, possibly archaic) sulfur (element)

a grandfather

an island (land surrounded by water) / one's domain, territory, turf

(chiefly women's speech) first person singular pronoun: I, me